protected void saveButton_Click(object sender, EventArgs e)
        {
            AppMenuBLL appMenu = new AppMenuBLL();

            try
            {
                if (groupWiseUserMenuListListBox.Items.Count > 0)
                {
                    appMenu.UpdateMenuSorting(groupWiseUserMenuListListBox, parentMenuIdHiddenField.Value.Trim());
                    PopulateAllMenu();
                    MyAlertBox("alert(\"Menu Sorted Successfully.\");");
                }
            }
            catch (Exception ex)
            {
                msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                appMenu = null;
            }
        }